.header{
    width: 100%;
    // height: 8.5rem;
    // line-height: 8.5rem;
    background-color:#0af;
    color: white;
    font-family: '微软雅黑';
    font-size: 1.5rem;
}
// .address_icon{
//     width: 30px;
//     height: 35px;
//     background: url('root_path/images/address.png') no-repeat center; 
//     background-size: cover;
// }